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How many differences can you find between image A and image B?
Great, you answered "3".
See here what other people have answered:
- 2
- 3
- 4
- 1
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Interesting fact:
In order to achieve really good learning results in a short time, it is worthwhile to take enough breaks between individual tasks. Only in this way can our brain properly process what has been learned. An optimal learning interval is between 2-3 hours. Then you should relax or take a little walk.